Need Help: HTPC. What all is needed???

[DerrellB]

i was able to score a closeout HP Elite with the following specs for a really great price or at least I think. I want to know what all would I need to add/change out to make this a really nice HTPC. I have an idea to change out the video card, add a bluray drive, and maybe a tv-tuner. What are some of the software the people use for HTPC. I am a tech savvy person but the HTPC is new to me. I want to also be able to rip my blurays to the hard drive. Here are the specs on the computer as it is right now. Thanks

PROCESSOR
AMD Athlon II X4 630 (2.8GHz / 4 x 512KB L2 Cache)

MEMORY
6GB DDR3 SDRAM
Total memory slots: 4 DIMM

HARD DRIVE
1TB SATA Hard Drive

PRIMARY MULTIMEDIA DRIVE
LightScribe Super Multi DVDRW w/Double Layer

GRAPHICS CARD
Integrated ATI Radeon 3000

TV TUNER
N/A

COMMUNICATION
N/A

NETWORKING
10/100 Mb/s Ethernet
KEYBOARD
HP keyboard

POINTING DEVICE
HP mouse

DIMENSIONS
15.23"H x 6.89"W x 16.29"L
SOUND CARD
Integrated 8-channel HD Audio - Realtek ALC 888S-VD
PORTS
Front:
USB: 2
Headphone: 1
Microphone: 1
Rear:
S/PDIF coaxial out
Video Graphics Adapter
RJ-45 Network (LAN)
Audio: Center/Subwoofer (yellow orange)
Audio: Rear Speaker Out (black)
Audio: Line In (gray)
Audio: Line Out (light blue)
Audio: Microphone (lime)
Audio: Side Speaker Out (pink)
USB 2.0: 4
DVI

DIGITAL MEDIA
15-In-1 Media Card Reader

OPERATING SYSTEM
Microsoft Windows 7 Home Premium (64 bit)